<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<script src="https://unpkg.com/vue@next"></script>
<div id="bind-attr">
    <span v-bind:title="message">
        Hover your mouse over
    </span>
</div>

<script>
    const AttributeBinding = {
        data(){
            return {
                message: 'you loaded this page on' + new Date().toLocaleString()
            }
        }
    }

    Vue.createApp(AttributeBinding).mount('#bind-attr');
</script>
</body>
</html>